Uses of Class
org.apache.hadoop.io.WritableComparator

Packages that use WritableComparator
org.apache.hadoop.io Generic i/o code for use when reading and writing data to the network, to databases, and to files. 
org.apache.hadoop.mapred.join   
org.apache.hadoop.mapreduce.lib.join   
org.apache.hadoop.mapreduce.lib.partition   
org.apache.hadoop.record (DEPRECATED) Hadoop record I/O contains classes and a record description language translator for simplifying serialization and deserialization of records in a language-neutral manner. 
 

Uses of WritableComparator in org.apache.hadoop.io
 

Methods in org.apache.hadoop.io that return WritableComparator
static WritableComparator WritableComparator.get(Class<? extends WritableComparable> c)
          Get a comparator for a WritableComparable implementation.
 

Methods in org.apache.hadoop.io with parameters of type WritableComparator
static void WritableComparator.define(Class c, WritableComparator comparator)
          Register an optimized comparator for a WritableComparable implementation.
 

Uses of WritableComparator in org.apache.hadoop.mapred.join
 

Fields in org.apache.hadoop.mapred.join with type parameters of type WritableComparator
protected  Class<? extends WritableComparator> Parser.Node.cmpcl
           
 

Methods in org.apache.hadoop.mapred.join that return WritableComparator
protected  WritableComparator CompositeRecordReader.getComparator()
          Return comparator defining the ordering for RecordReaders in this composite.
 

Method parameters in org.apache.hadoop.mapred.join with type arguments of type WritableComparator
protected  void Parser.Node.setKeyComparator(Class<? extends WritableComparator> cmpcl)
           
 

Constructor parameters in org.apache.hadoop.mapred.join with type arguments of type WritableComparator
CompositeRecordReader(int id, int capacity, Class<? extends WritableComparator> cmpcl)
          Create a RecordReader with capacity children to position id in the parent reader.
JoinRecordReader(int id, JobConf conf, int capacity, Class<? extends WritableComparator> cmpcl)
           
MultiFilterRecordReader(int id, JobConf conf, int capacity, Class<? extends WritableComparator> cmpcl)
           
 

Uses of WritableComparator in org.apache.hadoop.mapreduce.lib.join
 

Fields in org.apache.hadoop.mapreduce.lib.join declared as WritableComparator
protected  WritableComparator WrappedRecordReader.cmp
           
 

Fields in org.apache.hadoop.mapreduce.lib.join with type parameters of type WritableComparator
protected  Class<? extends WritableComparator> Parser.Node.cmpcl
           
 

Methods in org.apache.hadoop.mapreduce.lib.join that return WritableComparator
protected  WritableComparator CompositeRecordReader.getComparator()
          Return comparator defining the ordering for RecordReaders in this composite.
 

Method parameters in org.apache.hadoop.mapreduce.lib.join with type arguments of type WritableComparator
protected  void Parser.Node.setKeyComparator(Class<? extends WritableComparator> cmpcl)
           
 

Constructor parameters in org.apache.hadoop.mapreduce.lib.join with type arguments of type WritableComparator
CompositeRecordReader(int id, int capacity, Class<? extends WritableComparator> cmpcl)
          Create a RecordReader with capacity children to position id in the parent reader.
JoinRecordReader(int id, Configuration conf, int capacity, Class<? extends WritableComparator> cmpcl)
           
MultiFilterRecordReader(int id, Configuration conf, int capacity, Class<? extends WritableComparator> cmpcl)
           
 

Uses of WritableComparator in org.apache.hadoop.mapreduce.lib.partition
 

Subclasses of WritableComparator in org.apache.hadoop.mapreduce.lib.partition
 class KeyFieldBasedComparator<K,V>
          This comparator implementation provides a subset of the features provided by the Unix/GNU Sort.
 

Uses of WritableComparator in org.apache.hadoop.record
 

Subclasses of WritableComparator in org.apache.hadoop.record
 class RecordComparator
          Deprecated. Replaced by Avro.
 



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